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Control circuit

A technology for controlling circuits and circuits, applied to instruments, static indicators, etc.

Active Publication Date: 2021-06-18
NUVOTON
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The transmission interface is used to couple the display panel

Method used

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Embodiment Construction

[0030] In order to make the purpose, features and advantages of the present invention more comprehensible, the following specifically cites the embodiments, together with the accompanying drawings, for a detailed description. The description of the present invention provides different examples to illustrate the technical features of different implementations of the present invention. Wherein, the configuration of each element in the embodiment is for illustration, not for limiting the present invention. In addition, the partial repetition of the symbols in the figures in the embodiments is for the purpose of simplifying the description, and does not imply the correlation between different embodiments.

[0031] figure 1 It is a schematic diagram of the display device of the present invention. As shown in the figure, the display device 100 includes a display panel 110 , a capacitor 120 and a control circuit 130 . The display panel 110 according to the driving signal S D Pres...

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Abstract

A control circuit driving a display panel and including a transmission interface, a charging circuit, an image driving circuit, and a loading management circuit is provided. The transmission interface is configured to be coupled to the display panel. The charging circuit is configured to charge a capacitor. The image driving circuit transforms the voltage of the capacitor into a plurality of driving signals and provides the driving signals to the display panel via the transmission interface. The loading management circuit measures the charge time of the capacitor. In response to the charge time of the capacitor exceeding a threshold value, the loading management circuit asserts a flag to indicate the occurrence of an overload.

Description

technical field [0001] The present invention relates to a control circuit, in particular to a control circuit capable of driving a display panel. Background technique [0002] In a general display device, there is usually a display panel and a control circuit. The control circuit is used for generating an image signal. The display panel presents images according to image signals. When assembling the display panel and the control circuit, if there is liquid leakage on the panel, short circuit of the pins or abnormality of the control circuit, the picture displayed on the display panel may be abnormal, or the picture cannot be displayed. However, when the display panel fails to display images normally, testers cannot immediately know the cause of the abnormality, and it takes a lot of time to detect. Contents of the invention [0003] The invention provides a control circuit, which is used to control the picture presented by a display panel, and includes a transmission in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/36
CPCG09G3/36G09G3/3622G09G3/006G09G2310/06G09G3/3611G09G2310/0243G09G2330/12G09G3/3696
Inventor 邱达进张图尹李文益
Owner NUVOTON